Just had noisy blower motor assembly replaced on 1989 Grand Wagoneer

Asked by Jan 07, 2013 at 06:53 PM about the 1989 Jeep Grand Wagoneer

Question type: Maintenance & Repair

Air comes through vents when AC selected.  Air doesn't come through vents when heat and/or defrost is selected.  Can feel heat on the floor under the dash but again no heat coming through the vents.

1 Answer


There are vacuum operated doors that direct heat. Check for a vacuum leak in the hoses and see if the hoses are hooked to the motors.

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